... : 70/80/90/100/110mm4. Weight: 160-190g 5. Feature: With blue titanium bolts M5 x 16mm We supply titanium frames (road ... . ), titanium bicycle parts (handlebar, clamp, stems, seat posts, fork, spacer, headset etc. ) and titanium material for bicycle manufacturing (Gr.9/Gr ... Stem 31.8mm x 70/80/90/100/110/120mm(With Blue Titanium Bolts M5 x 16)